CADI.Server.LogicalTarget.JPEG2000.Codestream
Class PacketHeaderDataEncoder

java.lang.Object
  CADI.Server.LogicalTarget.JPEG2000.Codestream.PacketHeaderDataEncoder

public class PacketHeaderDataEncoder
extends java.lang.Object

This class records precinct-state information to be used by the PacketHeadersEncoder class to generate the packet headers.

Version:

1.0.1 2008/12/08

Author:

Group on Interactive Coding of Images (GICI)

Field Summary

int[][][]	firstLayer Is the layer in which a code block is first-time included.
int	lastEncodedLayer Indicates the number of the last layer that has already been encoded.
int[][][]	lBlock Code-block state variable.
TagTreeEncoder[]	TTInclusionInformation Tag Tree where is the first layer which a packet is included
TagTreeEncoder[]	TTZeroBitPlanes Tag Tree with the number of missing most significant bit planes for each codeblock

Constructor Summary

PacketHeaderDataEncoder(int[][][] zeroBitPlanes, int[][][] firstLayer)
Constructor.

Method Summary

void	list(java.io.PrintStream out) Prints this Packet Header Data out to the specified output stream.
void	reset() Sets the attributes to its initial values.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

TTInclusionInformation

public TagTreeEncoder[] TTInclusionInformation

Tag Tree where is the first layer which a packet is included

TTZeroBitPlanes

public TagTreeEncoder[] TTZeroBitPlanes

Tag Tree with the number of missing most significant bit planes for each codeblock

lBlock

public int[][][] lBlock

Code-block state variable.

Value 0 means that the packet has not been incluyed in any layer.

Indexes mean: 1st subband 2nd yBlock 3rd xBlock

lastEncodedLayer

public int lastEncodedLayer

Indicates the number of the last layer that has already been encoded.

firstLayer

public int[][][] firstLayer

Is the layer in which a code block is first-time included.

Constructor Detail

PacketHeaderDataEncoder

public PacketHeaderDataEncoder(int[][][] zeroBitPlanes,
                               int[][][] firstLayer)
                        throws ErrorException

Constructor.

Parameters:

zeroBitPlanes - is the same as CADI.Server.LogicalTarget.JPEG2000.JP2LogicalTarget#zeroBitPlanes but this one only has the indexes [subband][yBlock][xBlock]

firstLayer - is the first layer in which the code-block is first included. Indexes mean [subband][yBlock][xBlock]

Throws:

ErrorException

Method Detail

reset

public void reset()

Sets the attributes to its initial values.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

list

public void list(java.io.PrintStream out)

Prints this Packet Header Data out to the specified output stream. This method is useful for debugging.

Parameters:

out - an output stream.